ROCK MILLS, ALABAMA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 54.8 59.3 67.8 76.7 83.5 90.3 92.5 91.3 85.9 76.8 66.8 57.7 75.3
Highest Mean Max. Temperature (F) 64.2 66.8 74.4 82.0 88.5 94.3 97.2 95.8 91.3 82.7 72.6 66.6 97.2
Year Highest Occurred 1974 2000 1997 1981 2000 1981 1980 1980 1990 1984 1978 1984 1980
Lowest Mean Max. Temperature (F) 43.4 50.8 61.2 70.9 78.2 84.1 87.9 87.2 81.4 71.6 59.3 48.4 43.4
Year Lowest Occurred 1977 1978 1971 1983 1976 1997 1994 1992 1979 1976 1976 1989 1977
Mean Temperature (F) 42.4 45.7 53.3 60.8 68.7 76.2 79.5 78.3 72.6 61.2 52.2 44.6 61.3
Highest Mean Temperature (F) 54.0 53.3 59.8 65.4 72.6 79.7 82.7 81.2 77.2 67.7 60.7 52.4 82.7
Year Highest Occurred 1974 1990 1997 1981 1987 1981 1980 1980 1980 1984 1985 1984 1980
Lowest Mean Temperature (F) 33.0 38.2 46.5 56.2 64.5 72.6 77.1 74.2 69.1 55.6 45.6 35.7 33.0
Year Lowest Occurred 1977 1978 1971 1983 1997 1997 1994 1992 2000 1987 1976 2000 1977
Mean Min. Temperature (F) 29.9 32.1 38.7 44.9 53.8 62.0 66.5 65.2 59.3 45.5 37.5 31.5 47.2
Highest Mean Min. Temperature (F) 43.8 40.4 46.3 51.5 60.7 65.1 68.9 68.5 64.4 53.7 49.3 40.2 68.9
Year Highest Occurred 1974 1990 1973 1991 1991 1981 1986 1995 1973 1985 1985 1971 1986
Lowest Mean Min. Temperature (F) 22.7 25.7 31.8 38.8 48.9 59.0 62.5 60.7 53.9 35.6 31.8 21.6 21.6
Year Lowest Occurred 1977 1978 1971 2000 1997 2000 2000 2000 1984 1987 1976 2000 2000
Mean Precipitation (in.) 5.91 5.11 6.05 4.42 3.65 4.21 4.64 3.63 3.69 2.69 4.60 4.68 53.28
Highest Precipitation (in.) 11.00 11.06 14.10 12.52 7.72 11.21 9.32 8.38 12.08 7.67 11.78 11.17 14.10
Year Highest Occurred 1972 1990 1976 1979 1980 1999 1994 1992 1988 1975 1992 1972 1976
Lowest Precipitation (in.) 1.34 1.26 1.48 1.06 0.86 0.48 1.35 0.92 0.20 0.15 1.62 0.38 0.15
Year Lowest Occurred 1981 2000 1982 1986 2000 1988 1990 1972 1984 1978 1981 1988 1978
Heating Degree Days (F) 703. 540. 373. 155. 38. 1. 0. 0. 11. 168. 393. 633. 3015.
Cooling Degree Days (F) 0. 0. 9. 30. 150. 336. 450. 411. 239. 49. 8. 0. 1682.

Southeast Regional Climate Center, sercc@climate.ncsu.edu